Sierra Space is a defense technology and space company developing systems for national security, civil, and commercial missions. Drawing on nearly 30 years of experience, it designs, manufactures, and delivers satellite systems, spacecraft technologies, and infrastructure for use in orbit. The company reports more than 4,000 space systems delivered and involvement in over 500 missions.

Its capabilities include small, high-performance satellites, satellite subsystems, solar arrays, electrical power systems, and precision systems for pointing and motion control. Sierra Space also develops hypersonic and rocket propulsion technologies, supported by testing and analysis services. Its spaceplane portfolio includes Dream Chaser, a commercial runway-capable vehicle, and the Shooting Star cargo module.

For orbital operations and future space development, Sierra Space offers environmental control and life-support systems, as well as infrastructure concepts including LIFE and the Orbital Reef space station. The company also supports customer payloads and provides a hardware catalog. Across these offerings, Sierra Space focuses on mission-ready technologies intended to advance space defense, exploration, and activity in orbit.